Cumulant expansion method in the density matrix approach to wave packet dynamics in molecular systems

Details Cumulant expansion method in the density matrix approach to wave packet dynamics in molecular systems Cumulant expansion method in the density matrix approach to wave packet dynamics in molecular systems

2000-01-06

arxiv.org/abs/cond-mat/0001061v1

Excitonic processes in condensed matter, Ed. M. Schreiber, (Dresden University Press, Dresden, 1996), p. 331

Physics

Condensed Matter

Statistical Mechanics

For more details see http://xxx.lanl.gov/abs/quant-ph/0001004

Scientific paper

A non-Markovian master equation for a molecule interacting with a heat bath
is obtained using the cumulant expansion method. The equation is applied to the
problem of molecular wave packet relaxtional dynamics. An exact solution is
derived that demonstrates classical type of squeezing for the wave packet
evolution and a heat-bath dependent frequency shift.

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